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Warranty Information

Zenoah

®

engines are guaranteed against workmanship

and manufacturing defects for a period of 3 years from
the original date of purchase. This warranty is limited to
the original purchaser and is not transferable.

Warranty repairs will 

not

cover:

• Normal engine wear

• Damage due to insufficient maintenance

• Damage related to over-revving of the engine due
to small prop size or unreasonable use

• Rusted bearings

• Crash damage

• Damage due to use of improper fuel and/or spark  plug

• Damage due to lean runs, such as rusted bearings,
seized connecting rod or piston, etc.

• Damage caused by foreign objects 

• Damage caused by unreasonable mounting or running
conditions (dust, insufficient cooling, improper mount-
ing, improper propeller size of lack of balancing, etc.)

• Damage due to improper disassembly

• Modifications of any kind

If your engine needs repair, ship it in its original box,
freight prepaid to:

Horizon Service Center
Attn: Zenoah Service
4105 Fieldstone Road
Champaign, IL 61822
Phone: (217) 355-9511

Note: 

Do not use the engine’s original box as the

shipping box. Rather, package this box inside a
sturdy shipping box.

1. Include complete name and address information
inside the carton, as well as clearly writing it on the
outer label/return address area.

2. Include a note containing a brief summary of the
difficulty and include the following information:

• Propeller size and brand used

• Type of spark plug used

• Type of engine mount

• Approximately how much running time the engine had

before difficulty

3. Date your correspondence and be sure your name and
address appear on this enclosure. 

4. Include a phone number where you can be reached
during the business day.

Warranty Repairs

To receive warranty service you must include your origi-
nal dated sales receipt to verify your proof-of-purchase
date. Providing that warranty conditions have been met,
your engine will be repaired without charge.

Non-Warranty Repairs

Should your repair cost exceed 50% of the retail
purchase cost, you will be provided with an estimate
advising you of your options. Any return freight for
non-warranty repairs will be billed to the consumer.

We accept both Visa and MasterCard for payment.
Please include your card number and expiration date.

The Consumer Warranty Registration below must be
completely filled out and mailed to:

Horizon Service Center
Attn: Zenoah Warranty
4105 Fieldstone Road
Champaign, IL 61822

Summary of Contents for AIR G26

Page 1: ...ENGINE INSTRUCTION MANUAL G26 Air G26 231Marine G26 G231 Heli G38 G62 GT80 Twin G45 1 1 2 3 4 5 6 7 2 3 4 5 6 7...

Page 2: ...ing the Engine 6 Carburetor Adjustment 6 Engine Care and Maintenance 7 Recommendations 7 Servicing the Engine 7 Disassembly 7 Assembly 8 Charts 9 Troubleshooting Guide for Gasoline Engines 11 Propelle...

Page 3: ...ents from behind the propeller 9 To stop the engine the black lead wire from the coil should be grounded to the engine body or use the throttle linkage to shut off the air by closing the throttle valv...

Page 4: ...05 Fieldstone Road Champaign IL 61822 Phone 217 355 9511 Engine Parts Identification It s important to be able to identify the parts of your Zenoah engines Attached you will find an exploded view of Z...

Page 5: ...and the output power increases gradually as the engine breaks in Starting the Engine Aircraft Before attempting to start the engine be sure to read through all the steps for starting the engine as out...

Page 6: ...e choke set the throttle valve at the idle position or at the position slightly open from the idle position and quickly pull the starter cord a few more times until the engine starts 6 For helicopter...

Page 7: ...in order to keep oil in the bearings Servicing the Engine Required Tools Regular screwdriver Phillips screwdriver Hexagonal wrench 4mm 5 32 Open wrench 19mm 3 4 Plastic hammer Thickness gauge Tapered...

Page 8: ...ntion to its direction 7 Wipe the contact surfaces of the cylinder block and crankcase and apply liquid gasket Permatex or equivalent 8 Put the piston in the cylinder with the piston s arrow facing in...

Page 9: ...ner Starting Ignition Spark Plug Idle Speed Max Power Min Torque Fuel Consumption Weight Unit mm cm3 Type Walbro Venturi mm Type BTDC rpm STD Option rpm rpm rpm cc kg G260PUM Water Cooled A A A WT 644...

Page 10: ...uge Remarks At the skirt end and the right angle to the piston pin When inserted in a new cylinder Standard 34 33 97 1 01 8 01 0 03 0 05 0 02 0 04 0 05 0 25 0 98 8 11 12 Standard 32 31 97 1 01 8 01 0...

Page 11: ...b The engine stops by itself It suddenly stops The crankshaft does not rotate or is abnormally heavy The crankshaft rotates Out of fuel Not out of fuel The carburetor has not beeen properly adjusted...

Page 12: ...for initial setup of your Zenoah engine Remember it s imperative to balance each propeller prior to installation onto your Zenoah engine Failure to do so may cause unwanted vibration in your aircraft...

Page 13: ...2 000 10 000 2 000 10 000 1800 10 000 BIS07123 BIS07138 BIS07145 BIS07163 BIS07445 6 Length Width Height Operating RPM Optional Mufflers OUTSIDE DIMENSIONS MM G26A M H G231M H G38 G45 G62 GT80 w sprin...

Page 14: ...2 8 T2075 13120 ZEN23108 GASKET CYLINDER 1 1 1 1 1 9 3310 12281 ZEN2309 BOLT M5X20 6 6 6 6 6 10 T2075 13150 ZEN23110 GASKET INSULATOR 1 1 1 1 1 11 1148 13162 ZEN23111 INSULATOR 1 1 1 1 1 12 T2075 141...

Page 15: ...22 ZEN6241 SCREW M4 x 22 2 2 2 2 2 41 0263 30414 ZEN2341 SCREW M4 x 14 2 2 2 2 2 42 T2075 72210 ZEN2638 PLUG CAP 1 1 1 1 1 43 1400 72121 ZEN6239 SPRING 1 1 1 1 1 44 2629 71311 ZEN6237 COIL 1 1 1 1 1 4...

Page 16: ...ZEN3827 ZEN3828 ZEN3829 ZEN3830 ZEN3831 ZEN3832 ZEN3833 ZEN3834 ZEN3835 ZEN3836 Q ty unit 2 2 1 1 2 1 1 1 1 1 1 1 1 2 1 2 Index No Part No Description 37 38 39 40 41 42 43 44 1 44 2 45 46 47 ZEN3837...

Page 17: ...ZEN4525 ZEN6223 ZEN6224 ZEN4528 ZEN4529 ZEN6228 ZEN6227 ZEN6229 ZEN6230 ZEN6232 ZEN6233 ZEN6234 ZEN6257 ZEN6235 ZEN6236 BOLT PIPE PISTON PISTON RING PISTON PIN PIN RETAINER CONROD BEARING WASHER CRAN...

Page 18: ...32 ZEN6233 ZEN6234 ZEN6235 ZEN6236 ZEN6237 ZEN6238 PISTON RING PISTON PIN PIN RETAINER NEEDLE BEARING CONNECTING ROD SPACER CRANKSHAFT COMP KEY SHIM FLYWHEEL NUT HUB PROPELLER COMP FOR G620PU 1 PIN FO...

Page 19: ...239 ZEN6242 ZEN44537 ZEN44538 ZEN44539 ZEN44540 ZEN6209 ZEN44542 PISTON PIN PIN RETAINER BEARING THRUST WASHER CRANKSHAFT COMP SHIM KEY NUT ROTOR SOURCE COIL IGNITION COIL CORD PLUG CAP BLACK CAP SPRI...

Page 20: ...inside a sturdy shipping box 1 Include complete name and address information inside the carton as well as clearly writing it on the outer label return address area 2 Include a note containing a brief...

Page 21: ...r ________________________________________________________________________ Purchased From ______________________________________________________________________________ Dealer s Name _________________...

Page 22: ...22...

Page 23: ...23...

Page 24: ...Copyright 2003 Horizon Hobby Inc www horizonhobby com ZZPZ200 6135...

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